chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

yarn.lock

@@ -224,6 +224,30 @@ babel-core@^6.26.0:
     slash "^1.0.0"
     source-map "^0.5.6"
 
+babel-core@~6.26.0:
+  version "6.26.3"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.3.tgz#b2e2f09e342d0f0c88e2f02e067794125e75c207"
+  dependencies:
+    babel-code-frame "^6.26.0"
+    babel-generator "^6.26.0"
+    babel-helpers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-register "^6.26.0"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    convert-source-map "^1.5.1"
+    debug "^2.6.9"
+    json5 "^0.5.1"
+    lodash "^4.17.4"
+    minimatch "^3.0.4"
+    path-is-absolute "^1.0.1"
+    private "^0.1.8"
+    slash "^1.0.0"
+    source-map "^0.5.7"
+
 babel-generator@^6.18.0, babel-generator@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.0.tgz#ac1ae20070b79f6e3ca1d3269613053774f20dc5"
@@ -237,6 +261,19 @@ babel-generator@^6.18.0, babel-generator@^6.26.0:
     source-map "^0.5.6"
     trim-right "^1.0.1"
 
+babel-generator@~6.26.0:
+  version "6.26.1"
+  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
+  dependencies:
+    babel-messages "^6.23.0"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    detect-indent "^4.0.0"
+    jsesc "^1.3.0"
+    lodash "^4.17.4"
+    source-map "^0.5.7"
+    trim-right "^1.0.1"
+
 babel-helpers@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
@@ -302,7 +339,7 @@ babel-types@^6.18.0, babel-types@^6.26.0:
     lodash "^4.17.4"
     to-fast-properties "^1.0.3"
 
-babylon@^6.18.0:
+babylon@^6.18.0, babylon@~6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
@@ -2555,7 +2592,7 @@ prettier@^1.6.1:
   version "1.10.2"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.10.2.tgz#1af8356d1842276a99a5b5529c82dd9e9ad3cc93"
 
-private@^0.1.7:
+private@^0.1.7, private@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
@@ -3026,7 +3063,7 @@ source-map@^0.4.4:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.6:
+source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1, source-map@~0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
@@ -3180,16 +3217,15 @@ stryker-html-reporter@0.12.1:
     rimraf "^2.6.1"
     typed-html "^0.6.0"
 
-stryker-javascript-mutator@0.7.1:
-  version "0.7.1"
-  resolved "https://registry.yarnpkg.com/stryker-javascript-mutator/-/stryker-javascript-mutator-0.7.1.tgz#d2f79eba39766e303523114b66a6fdbaf111b33b"
+stryker-javascript-mutator@0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/stryker-javascript-mutator/-/stryker-javascript-mutator-0.9.0.tgz#21570119a8a32bf2638ae27186fb211522703fbf"
   dependencies:
-    babel-core "^6.26.0"
-    babel-generator "^6.26.0"
-    babylon "^6.18.0"
-    lodash "^4.17.4"
-    log4js "^1.1.1"
-    tslib "^1.8.0"
+    babel-core "~6.26.0"
+    babel-generator "~6.26.0"
+    babylon "~6.18.0"
+    lodash "~4.17.4"
+    tslib "~1.9.3"
 
 stryker-mocha-framework@0.9.2:
   version "0.9.2"
@@ -3358,10 +3394,14 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-tslib@^1.5.0, tslib@^1.6.0, tslib@^1.8.0:
+tslib@^1.5.0, tslib@^1.6.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"
 
+tslib@~1.9.3:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"